C#版(击败100.00%的提交) - Leetcode 151. 翻转字符串里的单词 - 题解

输入: "the sky is blue",
输出: "blue is sky the".

public class Solution
{
    public string ReverseWords(string s)
    {
        StringBuilder sb = new StringBuilder();
        s = s.Trim();
        var words = s.Split(new char[] {' ','\t'}, StringSplitOptions.RemoveEmptyEntries);
        for (int i = words.Length; i > 0; i--)
        {
            foreach (var ch in words[i-1])
            {
                sb.Append(ch);
            }
            sb.Append(" ");
        }
        return sb.ToString().Trim();
    }
}